Universal joint



Nov. 3, 1931. E. E. GLASS UNIVERSAL JOINT Filed July 21, 1928 elf/M14411 V Patented NoY- 3 V I sn mnsrncr ass, or'snnrnmmivno, CALIFORNIA i i .f un IvEnsAnJoiN r i lamni nin i, 1928. Serial n =294,42s.

This invention'relates to universal joints. respectively, formed therein which, when and an object 'isfto provide an improved type said members are attached'together as shown of coupling'arranged.foroperably connecting in Fig. 2, form a spherical socket for a spheria driven shaft withta driving shaft-in order cally' formedhead or yoke 7 formed on or ito permit universalityof movement a-ndiarattached to the driven shaft a. 55 ranged in compact form with a minimum The cap C has an opening 8 in its outer I number of partsof simple design so designed end which is of substantially larger area'than 7 that the-"wearing parts may be re di1 the shaft a so as'topermit the'operation of the l d at will, shaftat a substantial 'angl efrom the axis of a Another object provide anniversal the driving shaft'A'."

. v e v 60 coupling free from complicated-and expene Socket member B is provided with a pair sive' machine'ioperations attendant upon its of transversely spaced slots 9 and which manufacture and comprising a socket 1 memintersect and cut'oif opposite'portions of the jberwithadetachable cap thereon, aknuckle 1 spherically formed recess socket 5 in the arranged for'movementinbut one direction 'm'ember- Bas shown inFig. 4. Said slots 3 v has;

inthesocket and ayoke confinedbetweenthe extend outwardly from and below the pe :so'cket member and the cap 'engaging the riphery ofthe socket 5, and are adapted to knuckle and arranged for movement within receivereplaceable hardened steel keys at a' v thesocketat right angles to the 'directionof D, which are of semi circular form. The, moveme'nt'of the knuckles' a j curved portions of the keys D seat in the slots 0 Other objects mayeappear as the descrip 9 and 10 below thebottom of the socket 5 tionprogress'es. and the outer edges are substantially flush In-thedrawingsl'have shown a preterred with the outer face 11 of the member; B.

embodiment ofmy invention subject 'toimo'di- Intermediate the keys D'D .and' within fications within the scope? .ofthe appended the socket 5I provide aknuckle E which has claims withoutf'departing'from the spirit flattened 'ends,l2l2 adapted to movably thereof, g 1' v engage theinner sides of the keys D-D'a nd Inthe drawings! w' 7 Q a rounded bottom portion l3-conformingto I F ig; 1 is a, perspective view o'fan'assembled the bottom of the socket '5, n ,Thus theknuckle 15 23 0 'coupling'embodyin'g my improvements; h ispermitted to rock laterally in the socket I Fig. 2 is a'longitudinal section thereof; 5 but is prevented from movement in another 1 Fig. 3isatransvers'e sectionon linef3'3 of direction. v I H e I Fig. 2; e -The;knuckle E'is of rectangular cross-sec- Fig. .4 is av composite View showing'l the tion and the sides'14l4 thereof are adapted socket member, a knuckle, the l-replaceable 'tomovably seat between lugs 15715 which 35 keys and the yokeof the driven member'sepextend inwardly from a head? of member a, arated and in perspective forthe purpose of and are transversely spaced apart correclearly illustrating the formbf said parts.) sponding to the width of the member E. The up 7 j A represents adriving shaft and' arepreopposite inner faces 16, 16 of the lugs l5, 15 fsents a 'drivenfsh aft arranged to'be opera are parallel, while, the outer faces l71 7o :t ti'vely connected by means of my improved said lugs are curved to conformto the spher1 coupling. The coupling proper includes, a 'cally formed sockets 5 and 6 n the members socket member B arranged to be att'achedto B and C. Thus the head 7' may rock n the the driving shaft Althrough the mediumo'f a socket with the knuckle E. The outer face pin or key as 'at 2, extending through a boss 3 18 of knuckle E is slightly curved so as to fit 06 integrally formed with the member-B. A within the yoke ofthe head 7 'so as to provide capC'may be detachably held On the socket [ample clearance to permit the rock ng oi the member B by means of, afplu'r alityof bolts yoke on;the knuckle E to perm t u n1ver- 4+4, etc. "as shown in]? 2. The members sal movement of the drlven shaft a--w1th re- B and C have semi-sphericalr'ecesses 5 and 6 spect to the driving shaft'A. The spherically formed body of head 7 from which the 1ugs 15, extend is spaced from the outer edges of the keys D, D so as to permit the rocking of the head transversely over the keys.

Fig. 4 that the several parts forming the universal joint proper properly positioned on the member B, and as in other types ofcouplings the knuckle E is not pivotally connected to the members B V may befquickly and accurately tormed by. or-V '4 be removed for replacement or other purora,-by means of trunnions, pins, The members B and E and? may be formed of hardened steel so as to provide for long life and such members hold the keysD dinary milling cutters soithat the keys may poses.

When the device isas'sembled, grease may be packed 'in the socket between and around the several members'so 1. as to provide for roperlubrication. I VVhatIclaim is; V

13A;universal"joint comprising a pair of separable members" provided with a spher oidal socket thereinQa pair of parallel keys mounted in onegof said members at diametrically opposite "points and intersecting the and said keys to permit the movement ofthe periphery of 'theesocket, "a knuckle seated in flattened faces engaging said socket h vmgsaid keys and, ada'ptedfto roc'k'in a given di-,

re'ction in said'socket and a yoke having a spherically formed head confined within said members and provided with lugs overlying the'sides of said knuckle and provided with a stem extending through one of said members as described. I

liavingfa spherically formed' socket therein, lacapj detachably held 'thereonand recessed to provide a continuation of said socket, a pair of parallel driving keys held in'one of said members and intersecting and cutting on portions of the sockets therein, a'yoke confined in the sockets of said capand said body and a knuckle operatively engaging said yoke saidyoke universally'with respect to said bodyl -v 1 V 3.1A universal joint comprising a pair of cup-shaped members det'achably held toether and having a spheroidal socket formed therein,v a spherically vformed yoke movably held insaid socket and having a stem extending through an opening in one of said members, a knuckle movable in but one directl'on, in said socket, sald yoke movable with I knuckle and additionally movable ina ,(llIGCtlOIl at right angles to the movement of the knuckle for permitting universal move mentof the yokewith respect to the body.

It will be noted by particular reference to are held in operative rela- I 7 tion by means of thebolts 4 when the cap G is or. the like;-

7 may bereadilyr re-- placedby removing the cap'C' from thebody BL UThe'slots'QandlOwhich in pen 4; A universal joint comprising a separable body composed of a pair of, separable members having a spheroidal socket therein and adapted for attachment to a driving 7 member, a spherically formed yoke movably seated in said socket and adapted for connection with the driven member, a, knuckle operatively held in said socket and engag-Y ing'said yokeand means in said socket also disconnected from-but engaging said knuckle to permit .the vmovement of the yoke and knuckle together in a given direction, said yoke being movable in a relatively rightangledirection to permit the universal movement of the drivensha-ft.

I V 'oint comprising a body member having a semi-spherical socket thereone side, longitudinally disposed slots-being formed in said body at diammetrically opposite points intersecting the periphery of said socket, keys replaceably held, in

: 5. A universal said slotsandxhaving their outer edges flush.

with theopen 'face of said body, aknuckle seated in saidsocket andprovided with flattened ends engaging said keys and a sphericallyformed lowervface engaging the bottom of said. s'ockettpermitting the rocking, of said knuckle but one direction, adriven member provided with a spherically formed yoke engaging said socket and. said knuckle and I a cap detachably held insaidbo dy for holding all ofsaid members in operativeengages ment, said yoke being movable I with said knuckle in-one'direction and further'movable-relative to said knuckle in a relatively right angular'direction. I i

6. A universal ]0111t comprising a vsepara- V ble body havinga spherical socket therein, a

a spherically formed yokeconfined in'said' socket, a knuckle ofrectangularcross-section having opposite 'sides-engagingsaid yoke, V

and means detachably held in said socket at diametrically opposite points for engagementwith. the opposite ends of said knuckle to permit the movement of the knuckle and yoke together in a given direction and a further movement of the yoke with; respect to the knuckle in a relatively right-angular direction, v v 3 7.; A-universal joint 'comprisingin combination with a driven shaft and a driving shaftfa separable body fixed to the driving shaftand provided with a spherical socket, a spherically; formed yoke connected with the driven shaft and movablydisposed in i said socket, a knuckle of right. angular crosssection having aspherically formed tace sea-ted in said socket and its opposite sides engaging oppositeportions of said-yoke, and

8. A; universal 1011M] comprising a separable body having a spherical socket therein,

, one member of said body having a pair of of said knuckle,

longitudinally disposed slots cutting the pe- Iriphery of the socket'at diametrically opposite points, the peripheries of said slots extending beyond the periphery of the socket,

a pair of keys detachably held in said slots,

aknuckle held infthe socket between and having its opposite ends engaging said keys, a spherically formed yoke confined in said socket between themembers of said body and having spaced lugs engaging opposite sides said knuckle being movable in one direction only in said socket, said yoke being movable with the knuckle in such dii151 rection and further movable in a relatively f described.

right angular direction on said knuckle, as

ERNEST E. GLASS. 

